RT9181CB datasheet(1/10 Pages) RICHTEK

tên linh kiện	RT9181CB

Giải thích chi tiết về linh kiện	150MA LDO REGULATOR WITH POG

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Preliminary

RT9181

DS9181-00 February 2002

www.richtek-ic.com.tw

1

150mA LDO Regulator with POG

General Description

The RT9181 is a low dropout voltage regulator with

an output 2% accuracy and supply a continuous

150mA current within operating range from a +3V to

+5.5V input. The power good function monitors the

output voltage and indicates by pulling low the power

good output (open drain).

The RT9181 requires a small output capacitor with

low ESR for stabilizing output voltage. The device

also minimizes output overshoot during power up.

The RT9181 uses an internal PMOS as the pass

device, which consumes 160

µA supply current

independent of load and dropout conditions. The CE

pin controls the output and consumes no input bias

current. Other features include current limiting, over

temperature protection, and under voltage lockout.

Applications

Processor Power-Up Sequencing

Laptop, Notebook, and Palmtop Computers

Ordering Information

RT9181

Features

Low Dropout Voltage Regulator, Output 1.2V

Up to 150mA Output Current

Power Good (POG) Function

Chip Enable/Shutdown Function

Load Independent, Low Ground Current, 160

µµµµA

Current Limiting and Thermal Protection

Under Voltage Lockout (UVLO)

Low Variation Due to Load and Line Regulation

Output Stable with Low ESR Capacitors

SOT-25 Package

Pin Configurations

Part Number

Pin Configurations

RT9181CB

(Plastic SOT-25)

TOP VIEW

1. VIN

2. GND

3. CE

4. POG

5. VOUT

Typical Application Circuit

Operating temperature range

C: Commercial standard

Package type

B : SOT-25

54

3

2

1

VIN

CE

GND

POG

VOUT

CIN

1

µF

VIN

ON

OFF

COUT

1

µF

VOUT

POG

10K

Số phần tương tự - RT9181CB

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Richtek Technology Corp...	RT9181	124Kb / 10P	150mA LDO Regulator with PGOOD
	RT9181-18GB	124Kb / 10P	150mA LDO Regulator with PGOOD
	RT9181-18PB	124Kb / 10P	150mA LDO Regulator with PGOOD
	RT9181	124Kb / 10P	150mA LDO Regulator with PGOOD

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Mô tả tương tự - RT9181CB

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Richtek Technology Corp...	RT9181	124Kb / 10P	150mA LDO Regulator with PGOOD
E-Tech Electronics LTD	LR3XXYYB	307Kb / 8P	150mA 2CH LDO REGULATOR
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Unisonic Technologies	LR8XXYY	174Kb / 6P	150mA DUAL LDO REGULATOR
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Nisshinbo Micro Devices...	R1180X	549Kb / 28P	150mA LDO REGULATOR

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